Smok OSUB Plus kit has a OSUB Plus mod built-in 3300mAh battery that provides 80W strong power. It has easy to read OLED display and support firmware upgrading. The zinc alloy material for good texture. The Brit beast tank comes with 3.5ml capcity, it can compatible with all cores of TFV8 Baby. It also features top filling design and bottom airflow control. 510 drip tip give you totally new experience.